sys/dev/drm2/i915/i915_ioc32.c

   1 /*-
   2  * Copyright (C) Paul Mackerras 2005
   3  * Copyright (C) Alan Hourihane 2005
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  21  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  23  * IN THE SOFTWARE.
  24  *
  25  * Authors:
  26  *    Paul Mackerras <paulus@samba.org>
  27  *    Alan Hourihane <alanh@fairlite.demon.co.uk>
  28  */
  29
  30 #include <sys/cdefs.h>
  31 __FBSDID("$FreeBSD$");
  32
  33 #include "opt_compat.h"
  34
  35 #ifdef COMPAT_FREEBSD32
  36
  37 /** @file i915_ioc32.c
  38  * 32-bit ioctl compatibility routines for the i915 DRM.
  39  */
  40
  41 #include <dev/drm2/drmP.h>
  42 #include <dev/drm2/drm.h>
  43 #include <dev/drm2/i915/i915_drm.h>
  44 #include <dev/drm2/i915/i915_drv.h>
  45 #include <dev/drm2/i915/intel_drv.h>
  46
  47 typedef struct _drm_i915_batchbuffer32 {
  48         int start;              /* agp offset */
  49         int used;               /* nr bytes in use */
  50         int DR1;                /* hw flags for GFX_OP_DRAWRECT_INFO */
  51         int DR4;                /* window origin for GFX_OP_DRAWRECT_INFO */
  52         int num_cliprects;      /* mulitpass with multiple cliprects? */
  53         u32 cliprects;          /* pointer to userspace cliprects */
  54 } drm_i915_batchbuffer32_t;
  55
  56 static int compat_i915_batchbuffer(struct drm_device *dev, void *data, struct drm_file *file_priv)
  57 {
  58         drm_i915_batchbuffer32_t *batchbuffer32 = data;
  59         drm_i915_batchbuffer_t batchbuffer;
  60
  61         batchbuffer.start = batchbuffer32->start;
  62         batchbuffer.used = batchbuffer32->used;
  63         batchbuffer.DR1 = batchbuffer32->DR1;
  64         batchbuffer.DR4 = batchbuffer32->DR4;
  65         batchbuffer.num_cliprects = batchbuffer32->num_cliprects;
  66         batchbuffer.cliprects = (void *)(unsigned long)batchbuffer32->cliprects;
  67
  68         return i915_batchbuffer(dev, (void *)&batchbuffer, file_priv);
  69 }
  70
  71 typedef struct _drm_i915_cmdbuffer32 {
  72         u32 buf;                /* pointer to userspace command buffer */
  73         int sz;                 /* nr bytes in buf */
  74         int DR1;                /* hw flags for GFX_OP_DRAWRECT_INFO */
  75         int DR4;                /* window origin for GFX_OP_DRAWRECT_INFO */
  76         int num_cliprects;      /* mulitpass with multiple cliprects? */
  77         u32 cliprects;          /* pointer to userspace cliprects */
  78 } drm_i915_cmdbuffer32_t;
  79
  80 static int compat_i915_cmdbuffer(struct drm_device *dev, void *data, struct drm_file *file_priv)
  81 {
  82         drm_i915_cmdbuffer32_t *cmdbuffer32 = data;
  83         drm_i915_cmdbuffer_t cmdbuffer;
  84
  85         cmdbuffer.sz = cmdbuffer32->sz;
  86         cmdbuffer.DR1 = cmdbuffer32->DR1;
  87         cmdbuffer.DR4 = cmdbuffer32->DR4;
  88         cmdbuffer.num_cliprects = cmdbuffer32->num_cliprects;
  89         cmdbuffer.cliprects = (void *)(unsigned long)cmdbuffer32->cliprects;
  90
  91         return i915_cmdbuffer(dev, (void *)&cmdbuffer, file_priv);
  92 }
  93
  94 typedef struct drm_i915_irq_emit32 {
  95         u32 irq_seq;
  96 } drm_i915_irq_emit32_t;
  97
  98 static int compat_i915_irq_emit(struct drm_device *dev, void *data, struct drm_file *file_priv)
  99 {
 100         drm_i915_irq_emit32_t *req32 = data;
 101         drm_i915_irq_emit_t request;
 102
 103         request.irq_seq = (int *)(unsigned long)req32->irq_seq;
 104
 105         return i915_irq_emit(dev, (void *)&request, file_priv);
 106 }
 107 typedef struct drm_i915_getparam32 {
 108         int param;
 109         u32 value;
 110 } drm_i915_getparam32_t;
 111
 112 static int compat_i915_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
 113 {
 114         drm_i915_getparam32_t *req32 = data;
 115         drm_i915_getparam_t request;
 116
 117         request.param = req32->param;
 118         request.value = (void *)(unsigned long)req32->value;
 119
 120         return i915_getparam(dev, (void *)&request, file_priv);
 121 }
 122
 123 typedef struct drm_i915_mem_alloc32 {
 124         int region;
 125         int alignment;
 126         int size;
 127         u32 region_offset;      /* offset from start of fb or agp */
 128 } drm_i915_mem_alloc32_t;
 129
 130 drm_ioctl_desc_t i915_compat_ioctls[] = {
 131         DRM_IOCTL_DEF(DRM_I915_BATCHBUFFER, compat_i915_batchbuffer, DRM_AUTH),
 132         DRM_IOCTL_DEF(DRM_I915_CMDBUFFER, compat_i915_cmdbuffer, DRM_AUTH),
 133         DRM_IOCTL_DEF(DRM_I915_GETPARAM, compat_i915_getparam, DRM_AUTH),
 134         DRM_IOCTL_DEF(DRM_I915_IRQ_EMIT, compat_i915_irq_emit, DRM_AUTH)
 135 };
 136 int i915_compat_ioctls_nr = DRM_ARRAY_SIZE(i915_compat_ioctls);
 137
 138 #endif